Physics AQA Unit 3

Key ideas for AQA Physics P3 section 1. Good luck.

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  • Created by: Emma l
  • Created on: 09-06-09 14:21

1. What is the shortest distance between the line of action of the force and the pivot also known as?

  • Weight
  • Moment
  • Centripetal force
  • Plumbline
  • Centre of mass
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2. The size of the moment is given by which equation?

  • M=F*D
  • M=F/D
  • M=F+D
  • moment=F*M/D
  • Moment=F*M*D

3. The point at which the weight of an object can be said to be concentrated is known as the what?

  • Centre of mass
  • Moment
  • Plumbline
  • Centripetal Forcce
  • Gravity

4. The law of moments says that the total clockwise moments equals the total anticlockwise moments

  • True
  • False

5. What do you have to mark the position of to find the centre of mass of a suspended object?

  • Gravity
  • Normal
  • Plumbline
  • Axis of symmetry
  • Centre of mass
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